RHS 127x76x4.8 IMCA · Weight & Dimensions

IMCA, cold-formed sections · Rectangular Hollow Section

Rectangular Hollow Sections (RHS) are tubular profiles with excellent torsional resistance and aesthetic appeal. Used for columns, trusses, and exposed structural elements.

Also known as: PTR 127x76 cal 6 (México) · Caño estructural 127x76 (Argentina)

The RHS 127x76x4.8 steel profile weighs 14.0 kg/m (9.43 lb/ft), has a depth of 127 mm (5.00 in), flange width 76 mm (2.99 in). Cross-sectional area: 1,797.307 mm². Moment of inertia Ix = 378.725 cm⁴, Iy = 170.018 cm⁴.

Cross-section (not to scale)

Gauge equivalent: 4.8 mm ≈ 7 gauge (Manufacturers Standard Gage)

Dimensions

Property	Metric	Imperial
Depth (h)	127 mm	5.00 in
Width (b)	76 mm	2.99 in
Thickness (t)	4.8 mm	0.19 in
Fillet radius (r)	9.6 mm	0.38 in
Weight	14.0 kg/m	9.43 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	1,797.31 mm²	2.786 in²
Moment of inertia (Ix)	378.73 cm⁴	9.10 in⁴
Moment of inertia (Iy)	170.02 cm⁴	4.08 in⁴
Elastic section modulus (Sx)	59.64 cm³	3.640 in³
Elastic section modulus (Sy)	44.74 cm³	2.730 in³
Plastic section modulus (Zx)	73.94 cm³	4.512 in³
Plastic section modulus (Zy)	51.78 cm³	3.160 in³
Radius of gyration (rx)	4.59 cm	1.807 in
Radius of gyration (ry)	3.08 cm	1.211 in